xref: /onnv-gate/usr/src/tools/stabs/forth.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1996-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <unistd.h>
30*0Sstevel@tonic-gate #include <math.h>
31*0Sstevel@tonic-gate #include "stabs.h"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate void forth_do_sou(struct tdesc *tdp, struct node *np);
34*0Sstevel@tonic-gate void forth_do_enum(struct tdesc *tdp, struct node *np);
35*0Sstevel@tonic-gate void forth_do_intrinsic(struct tdesc *tdp, struct node *np);
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate static void switch_on_type(struct mlist *mlp, struct tdesc *tdp,
38*0Sstevel@tonic-gate     char *format, int level);
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate static void print_intrinsic(struct mlist *mlp, struct tdesc *tdp,
41*0Sstevel@tonic-gate     char *format, int level);
42*0Sstevel@tonic-gate static void print_forward(struct mlist *mlp, struct tdesc *tdp,
43*0Sstevel@tonic-gate     char *format, int level);
44*0Sstevel@tonic-gate static void print_pointer(struct mlist *mlp, struct tdesc *tdp,
45*0Sstevel@tonic-gate     char *format, int level);
46*0Sstevel@tonic-gate static void print_array(struct mlist *mlp, struct tdesc *tdp,
47*0Sstevel@tonic-gate     char *format, int level);
48*0Sstevel@tonic-gate static void print_function(struct mlist *mlp, struct tdesc *tdp,
49*0Sstevel@tonic-gate     char *format, int level);
50*0Sstevel@tonic-gate static void print_union(struct mlist *mlp, struct tdesc *tdp,
51*0Sstevel@tonic-gate     char *format, int level);
52*0Sstevel@tonic-gate static void print_enum(struct mlist *mlp, struct tdesc *tdp,
53*0Sstevel@tonic-gate     char *format, int level);
54*0Sstevel@tonic-gate static void print_forward(struct mlist *mlp, struct tdesc *tdp,
55*0Sstevel@tonic-gate     char *format, int level);
56*0Sstevel@tonic-gate static void print_typeof(struct mlist *mlp, struct tdesc *tdp,
57*0Sstevel@tonic-gate     char *format, int level);
58*0Sstevel@tonic-gate static void print_struct(struct mlist *mlp, struct tdesc *tdp,
59*0Sstevel@tonic-gate     char *format, int level);
60*0Sstevel@tonic-gate static void print_volatile(struct mlist *mlp, struct tdesc *tdp,
61*0Sstevel@tonic-gate     char *format, int level);
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate void
forth_do_intrinsic(struct tdesc * tdp,struct node * np)64*0Sstevel@tonic-gate forth_do_intrinsic(struct tdesc *tdp, struct node *np)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate }
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate void
forth_do_sou(struct tdesc * tdp,struct node * np)69*0Sstevel@tonic-gate forth_do_sou(struct tdesc *tdp, struct node *np)
70*0Sstevel@tonic-gate {
71*0Sstevel@tonic-gate 	struct mlist *mlp;
72*0Sstevel@tonic-gate 	struct child *chp;
73*0Sstevel@tonic-gate 	char *format;
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate 	printf("\n");
76*0Sstevel@tonic-gate 	printf("vocabulary %s-words\n", np->name);
77*0Sstevel@tonic-gate 	printf("h# %x constant %s-sz\n", tdp->size, np->name);
78*0Sstevel@tonic-gate 	printf("%x ' %s-words c-struct .%s\n",
79*0Sstevel@tonic-gate 		tdp->size, np->name, np->name);
80*0Sstevel@tonic-gate 	printf("also %s-words definitions\n\n", np->name);
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	/*
83*0Sstevel@tonic-gate 	 * Run thru all the fields of a struct and print them out
84*0Sstevel@tonic-gate 	 */
85*0Sstevel@tonic-gate 	for (mlp = tdp->data.members.back; mlp != NULL; mlp = mlp->prev) {
86*0Sstevel@tonic-gate 		/*
87*0Sstevel@tonic-gate 		 * If there's a child list, only print those members.
88*0Sstevel@tonic-gate 		 */
89*0Sstevel@tonic-gate 		if (np->child) {
90*0Sstevel@tonic-gate 			if (mlp->name == NULL)
91*0Sstevel@tonic-gate 				continue;
92*0Sstevel@tonic-gate 			chp = find_child(np, mlp->name);
93*0Sstevel@tonic-gate 			if (chp == NULL)
94*0Sstevel@tonic-gate 				continue;
95*0Sstevel@tonic-gate 			format = chp->format;
96*0Sstevel@tonic-gate 		} else
97*0Sstevel@tonic-gate 			format = NULL;
98*0Sstevel@tonic-gate 		if (mlp->fdesc == NULL)
99*0Sstevel@tonic-gate 			continue;
100*0Sstevel@tonic-gate 		switch_on_type(mlp, mlp->fdesc, format, 0);
101*0Sstevel@tonic-gate 	}
102*0Sstevel@tonic-gate 	printf("\nkdbg-words definitions\n");
103*0Sstevel@tonic-gate 	printf("previous\n\n");
104*0Sstevel@tonic-gate 	printf("\\ end %s section\n\n", np->name);
105*0Sstevel@tonic-gate }
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate void
forth_do_enum(struct tdesc * tdp,struct node * np)108*0Sstevel@tonic-gate forth_do_enum(struct tdesc *tdp, struct node *np)
109*0Sstevel@tonic-gate {
110*0Sstevel@tonic-gate 	int nelem = 0;
111*0Sstevel@tonic-gate 	struct elist *elp;
112*0Sstevel@tonic-gate 
113*0Sstevel@tonic-gate 	printf("\n");
114*0Sstevel@tonic-gate 	for (elp = tdp->data.emem; elp != NULL; elp = elp->next) {
115*0Sstevel@tonic-gate 		printf("here ,\" %s\" %x\n", elp->name, elp->number);
116*0Sstevel@tonic-gate 		nelem++;
117*0Sstevel@tonic-gate 	}
118*0Sstevel@tonic-gate 	printf("%x c-enum .%s\n", nelem, np->name);
119*0Sstevel@tonic-gate }
120*0Sstevel@tonic-gate 
121*0Sstevel@tonic-gate static void
switch_on_type(struct mlist * mlp,struct tdesc * tdp,char * format,int level)122*0Sstevel@tonic-gate switch_on_type(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
123*0Sstevel@tonic-gate {
124*0Sstevel@tonic-gate 	switch (tdp->type) {
125*0Sstevel@tonic-gate 	case INTRINSIC:
126*0Sstevel@tonic-gate 		print_intrinsic(mlp, tdp, format, level);
127*0Sstevel@tonic-gate 		break;
128*0Sstevel@tonic-gate 	case POINTER:
129*0Sstevel@tonic-gate 		print_pointer(mlp, tdp, format, level);
130*0Sstevel@tonic-gate 		break;
131*0Sstevel@tonic-gate 	case ARRAY:
132*0Sstevel@tonic-gate 		print_array(mlp, tdp, format, level);
133*0Sstevel@tonic-gate 		break;
134*0Sstevel@tonic-gate 	case FUNCTION:
135*0Sstevel@tonic-gate 		print_function(mlp, tdp, format, level);
136*0Sstevel@tonic-gate 		break;
137*0Sstevel@tonic-gate 	case UNION:
138*0Sstevel@tonic-gate 		print_union(mlp, tdp, format, level);
139*0Sstevel@tonic-gate 		break;
140*0Sstevel@tonic-gate 	case ENUM:
141*0Sstevel@tonic-gate 		print_enum(mlp, tdp, format, level);
142*0Sstevel@tonic-gate 		break;
143*0Sstevel@tonic-gate 	case FORWARD:
144*0Sstevel@tonic-gate 		print_forward(mlp, tdp, format, level);
145*0Sstevel@tonic-gate 		break;
146*0Sstevel@tonic-gate 	case TYPEOF:
147*0Sstevel@tonic-gate 		print_typeof(mlp, tdp, format, level);
148*0Sstevel@tonic-gate 		break;
149*0Sstevel@tonic-gate 	case STRUCT:
150*0Sstevel@tonic-gate 		print_struct(mlp, tdp, format, level);
151*0Sstevel@tonic-gate 		break;
152*0Sstevel@tonic-gate 	case VOLATILE:
153*0Sstevel@tonic-gate 		print_volatile(mlp, tdp, format, level);
154*0Sstevel@tonic-gate 		break;
155*0Sstevel@tonic-gate 	default:
156*0Sstevel@tonic-gate 		fprintf(stderr, "Switch to Unknown type\n");
157*0Sstevel@tonic-gate 		error = B_TRUE;
158*0Sstevel@tonic-gate 		break;
159*0Sstevel@tonic-gate 	}
160*0Sstevel@tonic-gate }
161*0Sstevel@tonic-gate 
162*0Sstevel@tonic-gate static void
print_forward(struct mlist * mlp,struct tdesc * tdp,char * format,int level)163*0Sstevel@tonic-gate print_forward(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
164*0Sstevel@tonic-gate {
165*0Sstevel@tonic-gate 	fprintf(stderr, "%s never defined\n", mlp->name);
166*0Sstevel@tonic-gate 	error = B_TRUE;
167*0Sstevel@tonic-gate }
168*0Sstevel@tonic-gate 
169*0Sstevel@tonic-gate static void
print_typeof(struct mlist * mlp,struct tdesc * tdp,char * format,int level)170*0Sstevel@tonic-gate print_typeof(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
171*0Sstevel@tonic-gate {
172*0Sstevel@tonic-gate 	switch_on_type(mlp, tdp->data.tdesc, format, level);
173*0Sstevel@tonic-gate }
174*0Sstevel@tonic-gate 
175*0Sstevel@tonic-gate static void
print_volatile(struct mlist * mlp,struct tdesc * tdp,char * format,int level)176*0Sstevel@tonic-gate print_volatile(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
177*0Sstevel@tonic-gate {
178*0Sstevel@tonic-gate 	switch_on_type(mlp, tdp->data.tdesc, format, level);
179*0Sstevel@tonic-gate }
180*0Sstevel@tonic-gate 
181*0Sstevel@tonic-gate static void
print_intrinsic(struct mlist * mlp,struct tdesc * tdp,char * format,int level)182*0Sstevel@tonic-gate print_intrinsic(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
183*0Sstevel@tonic-gate {
184*0Sstevel@tonic-gate 	format = convert_format(format, ".x");
185*0Sstevel@tonic-gate 
186*0Sstevel@tonic-gate 	if (level != 0) {
187*0Sstevel@tonic-gate 		switch (tdp->size) {
188*0Sstevel@tonic-gate 		case 1:
189*0Sstevel@tonic-gate 			printf("' c@ ' %s", format);
190*0Sstevel@tonic-gate 			break;
191*0Sstevel@tonic-gate 		case 2:
192*0Sstevel@tonic-gate 			printf("' w@ ' %s", format);
193*0Sstevel@tonic-gate 			break;
194*0Sstevel@tonic-gate 		case 4:
195*0Sstevel@tonic-gate 			printf("' l@ ' %s", format);
196*0Sstevel@tonic-gate 			break;
197*0Sstevel@tonic-gate 		case 8:
198*0Sstevel@tonic-gate 			printf("' x@ ' %s", format);
199*0Sstevel@tonic-gate 			break;
200*0Sstevel@tonic-gate 		}
201*0Sstevel@tonic-gate 	/*
202*0Sstevel@tonic-gate 	 * Check for bit field.
203*0Sstevel@tonic-gate 	 */
204*0Sstevel@tonic-gate 	} else if (mlp->size != 0 &&
205*0Sstevel@tonic-gate 	    ((mlp->size % 8) != 0 || (mlp->offset % mlp->size) != 0)) {
206*0Sstevel@tonic-gate 		int offset, shift, mask;
207*0Sstevel@tonic-gate 
208*0Sstevel@tonic-gate 		offset = (mlp->offset / 32) * 4;
209*0Sstevel@tonic-gate 		shift = 32 - ((mlp->offset % 32) + mlp->size);
210*0Sstevel@tonic-gate 		mask = ((int)pow(2, mlp->size) - 1) << shift;
211*0Sstevel@tonic-gate 		printf("' %s %x %x %x bits-field %s\n",
212*0Sstevel@tonic-gate 			format, shift, mask, offset, mlp->name);
213*0Sstevel@tonic-gate 	} else if (mlp->name != NULL) {
214*0Sstevel@tonic-gate 		switch (tdp->size) {
215*0Sstevel@tonic-gate 		case 1:
216*0Sstevel@tonic-gate 			printf("' %s %x byte-field %s\n",
217*0Sstevel@tonic-gate 				format, mlp->offset / 8, mlp->name);
218*0Sstevel@tonic-gate 			break;
219*0Sstevel@tonic-gate 		case 2:
220*0Sstevel@tonic-gate 			printf("' %s %x short-field %s\n",
221*0Sstevel@tonic-gate 				format, mlp->offset / 8, mlp->name);
222*0Sstevel@tonic-gate 			break;
223*0Sstevel@tonic-gate 		case 4:
224*0Sstevel@tonic-gate 			printf("' %s %x long-field %s\n",
225*0Sstevel@tonic-gate 				format, mlp->offset / 8, mlp->name);
226*0Sstevel@tonic-gate 			break;
227*0Sstevel@tonic-gate 		case 8:
228*0Sstevel@tonic-gate 			printf("' %s %x ext-field %s\n",
229*0Sstevel@tonic-gate 				format, mlp->offset / 8, mlp->name);
230*0Sstevel@tonic-gate 			break;
231*0Sstevel@tonic-gate 		}
232*0Sstevel@tonic-gate 	}
233*0Sstevel@tonic-gate }
234*0Sstevel@tonic-gate 
235*0Sstevel@tonic-gate static void
print_pointer(struct mlist * mlp,struct tdesc * tdp,char * format,int level)236*0Sstevel@tonic-gate print_pointer(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
237*0Sstevel@tonic-gate {
238*0Sstevel@tonic-gate 	format = convert_format(format, ".x");
239*0Sstevel@tonic-gate 	if (level != 0) {
240*0Sstevel@tonic-gate 		switch (tdp->size) {
241*0Sstevel@tonic-gate 		case 1:
242*0Sstevel@tonic-gate 			printf("' c@ ' %s", format);
243*0Sstevel@tonic-gate 			break;
244*0Sstevel@tonic-gate 		case 2:
245*0Sstevel@tonic-gate 			printf("' w@ ' %s", format);
246*0Sstevel@tonic-gate 			break;
247*0Sstevel@tonic-gate 		case 4:
248*0Sstevel@tonic-gate 			printf("' l@ ' %s", format);
249*0Sstevel@tonic-gate 			break;
250*0Sstevel@tonic-gate 		case 8:
251*0Sstevel@tonic-gate 			printf("' x@ ' %s", format);
252*0Sstevel@tonic-gate 			break;
253*0Sstevel@tonic-gate 		}
254*0Sstevel@tonic-gate 	} else {
255*0Sstevel@tonic-gate 		printf("' %s %x ptr-field %s\n",
256*0Sstevel@tonic-gate 		    format, mlp->offset / 8, mlp->name);
257*0Sstevel@tonic-gate 	}
258*0Sstevel@tonic-gate }
259*0Sstevel@tonic-gate 
260*0Sstevel@tonic-gate static void
print_array(struct mlist * mlp,struct tdesc * tdp,char * format,int level)261*0Sstevel@tonic-gate print_array(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
262*0Sstevel@tonic-gate {
263*0Sstevel@tonic-gate 	struct ardef *ap = tdp->data.ardef;
264*0Sstevel@tonic-gate 	int items, inc, limit;
265*0Sstevel@tonic-gate 
266*0Sstevel@tonic-gate 	if (level > 0) {
267*0Sstevel@tonic-gate 		printf("' noop ' .x");
268*0Sstevel@tonic-gate 	} else {
269*0Sstevel@tonic-gate 		items = ap->indices->range_end - ap->indices->range_start + 1;
270*0Sstevel@tonic-gate 		inc = (mlp->size / items) / 8;
271*0Sstevel@tonic-gate 		limit = mlp->size / 8;
272*0Sstevel@tonic-gate 		switch_on_type(mlp, ap->contents, format, level + 1);
273*0Sstevel@tonic-gate 		printf(" %x %x %x array-field", limit, inc, mlp->offset / 8);
274*0Sstevel@tonic-gate 		printf(" %s\n", mlp->name);
275*0Sstevel@tonic-gate 	}
276*0Sstevel@tonic-gate }
277*0Sstevel@tonic-gate 
278*0Sstevel@tonic-gate static void
print_function(struct mlist * mlp,struct tdesc * tdp,char * format,int level)279*0Sstevel@tonic-gate print_function(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
280*0Sstevel@tonic-gate {
281*0Sstevel@tonic-gate 	fprintf(stderr, "function in struct %s\n", tdp->name);
282*0Sstevel@tonic-gate 	error = B_TRUE;
283*0Sstevel@tonic-gate }
284*0Sstevel@tonic-gate 
285*0Sstevel@tonic-gate static void
print_struct(struct mlist * mlp,struct tdesc * tdp,char * format,int level)286*0Sstevel@tonic-gate print_struct(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
287*0Sstevel@tonic-gate {
288*0Sstevel@tonic-gate 	format = convert_format(format, ".x");
289*0Sstevel@tonic-gate 	if (level != 0)
290*0Sstevel@tonic-gate 		printf("' noop ' %s", format);
291*0Sstevel@tonic-gate 	else {
292*0Sstevel@tonic-gate 		printf("' %s %x struct-field %s\n",
293*0Sstevel@tonic-gate 			format, mlp->offset / 8, mlp->name);
294*0Sstevel@tonic-gate 	}
295*0Sstevel@tonic-gate }
296*0Sstevel@tonic-gate 
297*0Sstevel@tonic-gate static void
print_union(struct mlist * mlp,struct tdesc * tdp,char * format,int level)298*0Sstevel@tonic-gate print_union(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
299*0Sstevel@tonic-gate {
300*0Sstevel@tonic-gate 	format = convert_format(format, ".x");
301*0Sstevel@tonic-gate 	if (level != 0)
302*0Sstevel@tonic-gate 		printf("' noop ' %s", format);
303*0Sstevel@tonic-gate 	else {
304*0Sstevel@tonic-gate 		printf("' %s %x struct-field %s\n",
305*0Sstevel@tonic-gate 			format, mlp->offset / 8, mlp->name);
306*0Sstevel@tonic-gate 	}
307*0Sstevel@tonic-gate }
308*0Sstevel@tonic-gate 
309*0Sstevel@tonic-gate static void
print_enum(struct mlist * mlp,struct tdesc * tdp,char * format,int level)310*0Sstevel@tonic-gate print_enum(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
311*0Sstevel@tonic-gate {
312*0Sstevel@tonic-gate 	format = convert_format(format, ".d");
313*0Sstevel@tonic-gate 
314*0Sstevel@tonic-gate 	if (level != 0)
315*0Sstevel@tonic-gate 		printf("' l@ ' %s", format);
316*0Sstevel@tonic-gate 	else
317*0Sstevel@tonic-gate 		printf("' %s %x long-field %s\n",
318*0Sstevel@tonic-gate 			format, mlp->offset / 8, mlp->name);
319*0Sstevel@tonic-gate }
320